CVE-2026-70212 Windows Security Center Elevation of Privilege Vulnerability

High 7.0 Published Updated

An authorized local attacker can elevate privileges by exploiting improper communication channel restrictions in Windows Security Center.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-70212?

CVE-2026-70212 is a high-severity vulnerability in Microsoft Windows 10 1607, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper restriction of communication channel to intended endpoints in Windows Security Center allows an authorized attacker to elevate privileges locally.

Weakness: CWE-923

Which versions are affected by CVE-2026-70212?

It affects 11 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2 and 5 more.

How do I fix CVE-2026-70212?

No fix has been published for CVE-2026-70212 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-70212 being exploited?

There is no known exploitation of CVE-2026-70212 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-fjxp-c5gm-9h8w.

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